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Q. Determine what is the concentration of CO in parts per million If you have 40 molecules of Carbon Monoxide gas in 250000 molecules of air,?

Q. Using a sample of 0.0355 gram of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Calculate the molar mass of the unknown compound if the camphor freezes at 157.7°C upon cooling?

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